CA931658A - Demagnetizer/cleaner - Google Patents

Demagnetizer/cleaner

Info

Publication number
CA931658A
CA931658A CA094908A CA94908A CA931658A CA 931658 A CA931658 A CA 931658A CA 094908 A CA094908 A CA 094908A CA 94908 A CA94908 A CA 94908A CA 931658 A CA931658 A CA 931658A
Authority
CA
Canada
Prior art keywords
demagnetizer
cleaner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA094908A
Other languages
English (en)
Inventor
Edward A. Eul, Jr.
B. Richter Ronald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of CA931658A publication Critical patent/CA931658A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/465—Arrangements for demagnetisation of heads
CA094908A 1970-01-30 1970-10-06 Demagnetizer/cleaner Expired CA931658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698470A 1970-01-30 1970-01-30

Publications (1)

Publication Number Publication Date
CA931658A true CA931658A (en) 1973-08-07

Family

ID=21723587

Family Applications (1)

Application Number Title Priority Date Filing Date
CA094908A Expired CA931658A (en) 1970-01-30 1970-10-06 Demagnetizer/cleaner

Country Status (8)

Country Link
US (1) US3647990A (de)
JP (1) JPS4922648B1 (de)
BE (1) BE758390A (de)
CA (1) CA931658A (de)
DE (1) DE2104047C3 (de)
FR (1) FR2074991A5 (de)
GB (1) GB1267142A (de)
NL (1) NL160415B (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512597Y1 (de) * 1970-09-18 1976-01-26
US3810230A (en) * 1972-01-12 1974-05-07 Ampex Demagnetizer and cleaning cartridge
US3997919A (en) * 1974-03-11 1976-12-14 Thompson Larry L Cartridge tape machine cleaner apparatus
US3958273A (en) * 1974-08-23 1976-05-18 Robins Industries Corporation Cassette-type head demagnetizer
US4135219A (en) * 1976-07-22 1979-01-16 Tdk Electronics Co., Ltd. Demagnetizer for a magnetic head of a recording-reproducing device
US4225893A (en) * 1977-06-30 1980-09-30 Loiselle Guy J Cleaner for a playing head of a cassette player
US4224649A (en) * 1978-05-10 1980-09-23 Robins Industries Corp. Automatic cassette head demagnetizer
DE7931744U1 (de) * 1979-11-10 1980-03-06 Becella, Peter, 6000 Frankfurt Reinigungskassette fuer kassetten- recorder
GB2066999B (en) * 1980-01-04 1984-01-04 Allsop Inc Video player/recorder cleaning apparatus and method
BE885871A (fr) * 1980-10-24 1981-02-16 Staar Sa Dispositifs de nettoyage pour organe d'entrainement et/ou de lecture et d'enregistrement de bandes magnetiques et cassette de nettoyage contenant de tels dispositifs
AU541655B2 (en) * 1981-01-06 1985-01-17 Allsop, Inc. Cleaning a video recorder
US4498113A (en) * 1981-04-14 1985-02-05 Allsop, Inc. Apparatus and method for cleaning a video player/recorder
US4683511A (en) * 1981-11-30 1987-07-28 Stephen Kara Head and guide cleaning device for video tape recorder
US4378582A (en) * 1981-12-21 1983-03-29 International Jensen Incorporated Demagnetizing apparatus
US4551782A (en) * 1983-09-09 1985-11-05 Rfl Industries, Inc. Method and apparatus for degaussing magnetic storage media
IE80870B1 (en) * 1986-10-10 1999-04-21 Joseph Frederick Fritsch A demagnetizing device
US4730230A (en) * 1987-03-31 1988-03-08 Dowty Rfl Industries, Inc. Apparatus and method for degaussing magnetic storage media
US4843509A (en) * 1988-02-05 1989-06-27 Recoton Corporation Apparatus for demagnetizing the magnetic head of a cassette tape recording and/or reproducing device
GB2221574A (en) * 1988-07-07 1990-02-07 Haqi Ismail Hussain Almossawi Head demagnetising cassette
US5341263A (en) * 1992-10-13 1994-08-23 Recoton Corporation Apparatus for demagnetizing the magnetic head of a cassette tape recording and/or reproducing device
US5541794A (en) * 1993-05-25 1996-07-30 Griffen; Edward E. Magnetic tape recording head cleaning apparatus
US5859755A (en) * 1995-06-07 1999-01-12 Geneva Group Of Companies Magnetic tape recording head cleaning apparatus
US6097572A (en) * 1998-01-29 2000-08-01 Geneva Group Of Companies, Inc. Tape drive head cleaning cartridge having a cleaning element with cleaning segments extending above and below a cleaning tape
US6292330B1 (en) 1998-01-29 2001-09-18 Geneva Group Of Companies, Inc. Magnetic head cleaning cartridge with displaceable head receiver
US6058078A (en) * 1998-05-15 2000-05-02 Ishiguro; Ken Information recording disc demagnetization apparatus
US6681437B1 (en) 1999-04-30 2004-01-27 Ntt Advanced Technology Corporation Cleaning tool for optical fiber connectors
JP3410705B2 (ja) 2000-03-03 2003-05-26 エヌ・ティ・ティ・アドバンステクノロジ株式会社 光コネクターの清掃具
DE112008003358A5 (de) * 2007-10-04 2010-09-09 Triple Sensor Technologies Gmbh Anordnung und Verfahren zur Veränderung der Magnetisierung von Objekten
CN107607626A (zh) * 2017-09-13 2018-01-19 中国石油天然气集团公司管材研究所 电磁超声换能器及用电磁超声换能器自动检测钢板的设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069815A (en) * 1958-10-02 1962-12-25 Ibm Cleaning tape for information sensing apparatus
US3156784A (en) * 1961-01-30 1964-11-10 Ibm Magnetic eraser
US3449528A (en) * 1965-05-17 1969-06-10 Iit Res Inst Two speed tape transport with independent audio and video modes of operation
US3443037A (en) * 1965-10-23 1969-05-06 Bell & Howell Co Multitrack tape recorder with mechanical track-change system
US3435300A (en) * 1966-12-28 1969-03-25 Akai Electric Eraser and cleaner set
US3439922A (en) * 1967-12-19 1969-04-22 Sheldon Howard Cleaner cartridge

Also Published As

Publication number Publication date
BE758390A (fr) 1971-04-16
US3647990A (en) 1972-03-07
DE2104047B2 (de) 1973-05-10
GB1267142A (de) 1972-03-15
DE2104047A1 (de) 1971-08-05
JPS4922648B1 (de) 1974-06-10
DE2104047C3 (de) 1973-11-29
NL7015943A (de) 1971-08-03
FR2074991A5 (fr) 1971-10-08
NL160415B (nl) 1979-05-15

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